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from 4c7d00ccf40d Merge tag 'pwm/for-5.6-rc1' of git://git.kernel.org/pub/sc [...] new 73e4eab0a8da pata_pcmia: add SanDisk High (>8G) CF card to supported list new 10a663a1b151 ata: ahci: Add shutdown to freeze hardware resources of ahci new 7991901082f0 ata: pata_arasan_cf: Use dma_request_chan() instead dma_re [...] new 0384066381ed Merge tag 'libata-5.6-2020-02-05' of git://git.kernel.dk/l [...] new a258edbca2d9 MAINTAINERS: Add Revanth Rajashekar as a SED-Opal maintainer new 6a365874a43c drbd: fifo_alloc() should use struct_size new 5c0dd228b5fc nbd: add a flush_workqueue in nbd_start_device new 0265d6e8ddb8 xen/blkfront: limit allocated memory size to actual use case new 5bebf7486d4f bcache: fix memory corruption in bch_cache_accounting_clear() new 7c02b0055f77 bcache: explicity type cast in bset_bkey_last() new 038ba8cc1bff bcache: add readahead cache policy options via sysfs interface new d1c3cc34f5a7 bcache: fix incorrect data type usage in btree_flush_write() new 49d08d596e85 bcache: check return value of prio_read() new f718b093277d block, bfq: do not plug I/O for bfq_queues with no proc refs new 32c59e3a9a5a block, bfq: do not insert oom queue into position tree new ecedd3d7e199 block, bfq: get extra ref to prevent a queue from being fr [...] new 33a16a980468 block, bfq: extend incomplete name of field on_st new 4d8340d0d4d9 block, bfq: remove ifdefs from around gets/puts of bfq groups new db37a34c563b block, bfq: get a ref to a group when adding it to a service tree new c92bddee7735 block, bfq: clarify the goal of bfq_split_bfqq() new c8ab422553c8 brd: check and limit max_part par new 4ac76436a6d0 nvmet: Pass lockdep expression to RCU lists new b716e6889c95 nvmet: fix dsm failure when payload does not match sgl descriptor new cfa27356f835 nvme-pci: remove nvmeq->tags new 0b87a2b795d6 nvmet: Fix error print message at nvmet_install_queue function new 1a3f540d6315 nvmet: Fix controller use after free new 0f5be6a4ff7b nvmet: update AEN list and array at one place new b74e58cd472c Merge branch 'nvme-5.6' of git://git.infradead.org/nvme in [...] new ed535f2c9e00 Merge tag 'block-5.6-2020-02-05' of git://git.kernel.dk/li [...] new 87ce955b24c9 io_uring: add ->show_fdinfo() for the io_uring file descriptor new d7f62e825fd1 io_uring: add BUILD_BUG_ON() to assert the layout of struc [...] new b5e683d5cab8 eventfd: track eventfd_signal() recursion depth new f0b493e6b9a8 io_uring: prevent potential eventfd recursion on poll new 0b7b21e42ba2 io_uring: use the proper helpers for io_send/recv new 5d204bcfa093 io_uring: don't map read/write iovec potentially twice new 9250f9ee194d io_uring: remove extra ->file check new 1a417f4e618e io_uring: fix sporadic double CQE entry for close new 3e69426da259 io_uring: punt even fadvise() WILLNEED to async context new 6c8a31346925 io_uring: iterate req cache backwards new 3e577dcd73a1 io_uring: put the flag changing code in the same spot new 01d7a356872e aio: prevent potential eventfd recursion on poll new df069d80c8e3 io_uring: spin for sq thread to idle on shutdown new 2faf852d1be8 io_uring: cleanup fixed file data table references new c1ef57a3a3f5 Merge tag 'io_uring-5.6-2020-02-05' of git://git.kernel.dk [...] new 56de4e8f9146 perf: Make struct ring_buffer less ambiguous new 1c5eb4481e01 tracing: Rename trace_buffer to array_buffer new 13292494379f tracing: Make struct ring_buffer less ambiguous new 76db5a27a827 bootconfig: Add Extra Boot Config support new 7684b8582c24 bootconfig: Load boot config from the tail of initrd new 950313ebf79c tools: bootconfig: Add bootconfig command new 081c65360bd8 tools: bootconfig: Add bootconfig test script new c1a3c36017d4 proc: bootconfig: Add /proc/bootconfig to show boot config list new 0068c92a9270 init/main.c: Alloc initcall_command_line in do_initcall() [...] new 51887d03aca1 bootconfig: init: Allow admin to use bootconfig for kernel [...] new 1319916209ce bootconfig: init: Allow admin to use bootconfig for init c [...] new 7b9b816f4b9a Documentation: bootconfig: Add a doc for extended boot config new d8d0c245a7fd tracing: Apply soft-disabled and filter to tracepoints printk new 8cfcf15503f6 tracing: kprobes: Output kprobe event to printk buffer new d8d4c6d0e79c tracing: kprobes: Register to dynevent earlier stage new b05e89ae7cf3 tracing: Accept different type for synthetic event fields new 48ac9488a597 tracing: Add NULL trace-array check in print_synth_event() new 9c5b9d3d65e4 tracing/boot: Add boot-time tracing new 81a59555ff15 tracing/boot: Add per-event settings new 4d655281eb1b tracing/boot Add kprobe event support new 3fbe2d6e1fce tracing/boot: Add synthetic event support new 4f712a4d04a4 tracing/boot: Add instance node support new 9d15dbbde104 tracing/boot: Add cpu_mask option support new fe1efe9252f9 tracing/boot: Add function tracer filter options new 47781947947a Documentation: tracing: Add boot-time tracing document new 3b42a4c83a31 tracing: trigger: Replace unneeded RCU-list traversals new 59e7cffe5cca ring-bufer: kernel-doc warning fixes new cfc585a40176 ring-buffer: Fix kernel doc for rb_update_event() new 82d1b8158c9a tracing: Allow trace_printk() to nest in other tracing code new 9a09cd74e7dc ftrace: Remove abandoned macros new aff4866db56e ftrace: Remove NR_TO_INIT macro new 0947db01d9b9 bootconfig: Fix Kconfig help message for BOOT_CONFIG new a4798eb42a26 Documentation: bootconfig: Fix typos in bootconfig documentation new b8381ce7aa8e Documentation: tracing: Fix typos in boot-time tracing doc [...] new bcc717ed95de tools: bootconfig: Fix spelling mistake "faile" -> "failed" new b83479482ff6 ring-buffer: Remove abandoned macro RB_MISSED_FLAGS new 141597204ea2 tracing: Remove unused TRACE_SEQ_BUF_USED new 532f49a6f19a tracing/boot: Fix an IS_ERR() vs NULL bug new 34423f250a37 tracing: Fix uninitialized buffer var on early exit to tra [...] new 659ded30272d trace/kprobe: Remove unused MAX_KPROBE_CMDLINE_SIZE new dfb6cd1e6543 tracing: Fix very unlikely race of registering two stat tracers new afccc00f75bb tracing: Fix tracing_stat return values in error handling paths new cbc3b92ce037 tracing: Set kernel_stack's caller size properly new b3f7a6cd4901 tracing: Remove unneeded NULL check new eba12ab71e71 tracing: Fix comments about trace/ftrace.h new 28394da25888 tracing: Decrement trace_array when bootconfig creates an [...] new 24589e3a2087 tracing: Use pr_err() instead of WARN() for memory failures new d0ce47cb993e docs: tracing: Fix a broken label new b527b638fd63 tracing: Simplify assignment parsing for hist triggers new 4de26c8c967d tracing: Add hist trigger error messages for sort specification new d0a497066f92 tracing: Add 'hist:' to hist trigger error log error string new 34f71a4a2de8 tracing: Add new testcases for hist trigger parsing errors new 76a598ec8c4f tracing/boot: Include required headers and sort it alphabetically new 5c3469cb899a tracing/boot: Move external function declarations to kerne [...] new 64ae572bc7d0 tracing: Fix sched switch start/stop refcount racy updates new e4075e8bdffd ftrace: fpid_next() should increase position index new 039958a5f7aa tracing: eval_map_next() should always increase position index new 6722b23e7a2a trigger_next should increase position index new 89c95fcef194 tracing: Add trace_array_find/_get() to find instance trac [...] new e3e2a2cc9c96 tracing: Add trace_get/put_event_file() new f5f6b255a253 tracing: Add synth_event_delete() new 86c5426badda tracing: Add dynamic event command creation interface new 35ca5207c2d1 tracing: Add synthetic event command generation functions new 8dcc53ad956d tracing: Add synth_event_trace() and related functions new 9fe41efaca08 tracing: Add synth event generation test module new 2a588dd1d5d6 tracing: Add kprobe event command generation functions new 29a154810546 tracing: Change trace_boot to use kprobe_event interface new 64836248dda2 tracing: Add kprobe event command generation test module new 34ed63573b66 tracing: Documentation for in-kernel synthetic event API new 61778cd70c1d tracing: Move all function tracing configs together new a48fc4f5f1d2 tracing: Move tracing test module configs together new 21b3ce3063be tracing: Move mmio tracer config up with the other tracers new 1e837945a885 tracing: Move tracing selftests to bottom of menu new fdeb1aca2861 tracing: Change trace_boot to use synth_event interface new d380dcde9a07 tracing: Fix now invalid var_ref_vals assumption in trace action new 249d7b2ef674 tracing: Consolidate some synth_event_trace code new 74403b6c50dd tracing: Remove check_arg() callbacks from dynevent args new e9260f6257ef tracing: Remove useless code in dynevent_arg_pair_add() new 2b90927c77c9 tracing: Use seq_buf for building dynevent_cmd string new 7495e0926fdf bootconfig: Only load bootconfig if "bootconfig" is on the [...] new 24a9729f8314 tracing: Annotate ftrace_graph_hash pointer with __rcu new fd0e6852c407 tracing: Annotate ftrace_graph_notrace_hash pointer with __rcu new 16052dd5bdfa ftrace: Add comment to why rcu_dereference_sched() is open coded new 54a16ff6f2e5 ftrace: Protect ftrace_graph_hash with ftrace_sync new e241d14a8291 bootconfig: Use bootconfig instead of boot config new 597c0e3b4540 bootconfig: Add more parse error messages new 0f0d0a77ccbd tools/bootconfig: Show the number of bootconfig nodes new a00574036c26 bootconfig: Show the number of nodes on boot message new e310396bb8d7 Merge tag 'trace-v5.6-2' of git://git.kernel.org/pub/scm/l [...]
The 133 revisions listed above as "new" are entirely new to this repository and will be described in separate emails. The revisions listed as "adds" were already present in the repository and have only been added to this reference.
Summary of changes: Documentation/admin-guide/bootconfig.rst | 190 ++++ Documentation/admin-guide/index.rst | 1 + Documentation/admin-guide/kernel-parameters.txt | 6 + Documentation/trace/boottime-trace.rst | 184 ++++ Documentation/trace/events.rst | 515 ++++++++++ Documentation/trace/index.rst | 1 + Documentation/trace/kprobetrace.rst | 1 + MAINTAINERS | 11 +- block/bfq-cgroup.c | 16 +- block/bfq-iosched.c | 26 +- block/bfq-iosched.h | 4 +- block/bfq-wf2q.c | 23 +- drivers/ata/ahci.c | 7 + drivers/ata/libata-core.c | 21 + drivers/ata/pata_arasan_cf.c | 6 +- drivers/ata/pata_pcmcia.c | 1 + drivers/block/brd.c | 22 +- drivers/block/drbd/drbd_int.h | 2 +- drivers/block/drbd/drbd_nl.c | 3 +- drivers/block/drbd/drbd_receiver.c | 2 +- drivers/block/drbd/drbd_worker.c | 4 +- drivers/block/nbd.c | 10 + drivers/block/xen-blkfront.c | 8 +- drivers/md/bcache/bcache.h | 3 + drivers/md/bcache/bset.h | 3 +- drivers/md/bcache/journal.c | 3 +- drivers/md/bcache/request.c | 17 +- drivers/md/bcache/stats.c | 10 +- drivers/md/bcache/super.c | 21 +- drivers/md/bcache/sysfs.c | 22 + drivers/nvme/host/pci.c | 23 +- drivers/nvme/target/core.c | 80 +- drivers/nvme/target/fabrics-cmd.c | 15 +- drivers/nvme/target/io-cmd-bdev.c | 2 +- drivers/nvme/target/io-cmd-file.c | 2 +- drivers/nvme/target/nvmet.h | 1 + drivers/oprofile/cpu_buffer.c | 2 +- fs/aio.c | 20 +- fs/eventfd.c | 15 + fs/io_uring.c | 254 ++++- fs/proc/Makefile | 1 + fs/proc/bootconfig.c | 89 ++ include/linux/bootconfig.h | 224 +++++ include/linux/eventfd.h | 14 + include/linux/libata.h | 1 + include/linux/perf_event.h | 6 +- include/linux/ring_buffer.h | 110 +-- include/linux/trace_events.h | 131 ++- include/trace/trace_events.h | 11 +- init/Kconfig | 14 + init/main.c | 229 ++++- kernel/events/core.c | 42 +- kernel/events/internal.h | 34 +- kernel/events/ring_buffer.c | 54 +- kernel/trace/Kconfig | 360 +++---- kernel/trace/Makefile | 3 + kernel/trace/blktrace.c | 8 +- kernel/trace/ftrace.c | 37 +- kernel/trace/kprobe_event_gen_test.c | 225 +++++ kernel/trace/ring_buffer.c | 135 +-- kernel/trace/ring_buffer_benchmark.c | 2 +- kernel/trace/synth_event_gen_test.c | 523 ++++++++++ kernel/trace/trace.c | 453 +++++---- kernel/trace/trace.h | 98 +- kernel/trace/trace_boot.c | 334 +++++++ kernel/trace/trace_branch.c | 6 +- kernel/trace/trace_dynevent.c | 212 ++++ kernel/trace/trace_dynevent.h | 32 + kernel/trace/trace_entries.h | 2 +- kernel/trace/trace_events.c | 106 +- kernel/trace/trace_events_hist.c | 1030 ++++++++++++++++++-- kernel/trace/trace_events_trigger.c | 7 +- kernel/trace/trace_functions.c | 8 +- kernel/trace/trace_functions_graph.c | 14 +- kernel/trace/trace_hwlat.c | 2 +- kernel/trace/trace_irqsoff.c | 8 +- kernel/trace/trace_kdb.c | 8 +- kernel/trace/trace_kprobe.c | 238 ++++- kernel/trace/trace_mmiotrace.c | 12 +- kernel/trace/trace_output.c | 2 +- kernel/trace/trace_sched_switch.c | 4 +- kernel/trace/trace_sched_wakeup.c | 20 +- kernel/trace/trace_selftest.c | 26 +- kernel/trace/trace_seq.c | 3 - kernel/trace/trace_stat.c | 31 +- kernel/trace/trace_syscalls.c | 8 +- kernel/trace/trace_uprobe.c | 2 +- lib/Kconfig | 3 + lib/Makefile | 2 + lib/bootconfig.c | 814 ++++++++++++++++ tools/Makefile | 11 +- tools/bootconfig/.gitignore | 1 + tools/bootconfig/Makefile | 23 + tools/bootconfig/include/linux/bootconfig.h | 7 + tools/bootconfig/include/linux/bug.h | 12 + tools/bootconfig/include/linux/ctype.h | 7 + tools/bootconfig/include/linux/errno.h | 7 + tools/bootconfig/include/linux/kernel.h | 18 + tools/bootconfig/include/linux/printk.h | 17 + tools/bootconfig/include/linux/string.h | 32 + tools/bootconfig/main.c | 354 +++++++ .../samples/bad-array-space-comment.bconf | 5 + tools/bootconfig/samples/bad-array.bconf | 2 + tools/bootconfig/samples/bad-dotword.bconf | 4 + tools/bootconfig/samples/bad-empty.bconf | 1 + tools/bootconfig/samples/bad-keyerror.bconf | 2 + tools/bootconfig/samples/bad-longkey.bconf | 1 + tools/bootconfig/samples/bad-manywords.bconf | 1 + tools/bootconfig/samples/bad-no-keyword.bconf | 2 + tools/bootconfig/samples/bad-nonprintable.bconf | 2 + tools/bootconfig/samples/bad-spaceword.bconf | 2 + tools/bootconfig/samples/bad-tree.bconf | 5 + tools/bootconfig/samples/bad-value.bconf | 3 + tools/bootconfig/samples/escaped.bconf | 3 + .../samples/good-array-space-comment.bconf | 4 + .../samples/good-comment-after-value.bconf | 1 + tools/bootconfig/samples/good-printables.bconf | 2 + tools/bootconfig/samples/good-simple.bconf | 11 + tools/bootconfig/samples/good-single.bconf | 4 + .../samples/good-space-after-value.bconf | 1 + tools/bootconfig/samples/good-tree.bconf | 12 + tools/bootconfig/test-bootconfig.sh | 105 ++ .../test.d/trigger/trigger-hist-syntax-errors.tc | 32 + 123 files changed, 7005 insertions(+), 984 deletions(-) create mode 100644 Documentation/admin-guide/bootconfig.rst create mode 100644 Documentation/trace/boottime-trace.rst create mode 100644 fs/proc/bootconfig.c create mode 100644 include/linux/bootconfig.h create mode 100644 kernel/trace/kprobe_event_gen_test.c create mode 100644 kernel/trace/synth_event_gen_test.c create mode 100644 kernel/trace/trace_boot.c create mode 100644 lib/bootconfig.c create mode 100644 tools/bootconfig/.gitignore create mode 100644 tools/bootconfig/Makefile create mode 100644 tools/bootconfig/include/linux/bootconfig.h create mode 100644 tools/bootconfig/include/linux/bug.h create mode 100644 tools/bootconfig/include/linux/ctype.h create mode 100644 tools/bootconfig/include/linux/errno.h create mode 100644 tools/bootconfig/include/linux/kernel.h create mode 100644 tools/bootconfig/include/linux/printk.h create mode 100644 tools/bootconfig/include/linux/string.h create mode 100644 tools/bootconfig/main.c create mode 100644 tools/bootconfig/samples/bad-array-space-comment.bconf create mode 100644 tools/bootconfig/samples/bad-array.bconf create mode 100644 tools/bootconfig/samples/bad-dotword.bconf create mode 100644 tools/bootconfig/samples/bad-empty.bconf create mode 100644 tools/bootconfig/samples/bad-keyerror.bconf create mode 100644 tools/bootconfig/samples/bad-longkey.bconf create mode 100644 tools/bootconfig/samples/bad-manywords.bconf create mode 100644 tools/bootconfig/samples/bad-no-keyword.bconf create mode 100644 tools/bootconfig/samples/bad-nonprintable.bconf create mode 100644 tools/bootconfig/samples/bad-spaceword.bconf create mode 100644 tools/bootconfig/samples/bad-tree.bconf create mode 100644 tools/bootconfig/samples/bad-value.bconf create mode 100644 tools/bootconfig/samples/escaped.bconf create mode 100644 tools/bootconfig/samples/good-array-space-comment.bconf create mode 100644 tools/bootconfig/samples/good-comment-after-value.bconf create mode 100644 tools/bootconfig/samples/good-printables.bconf create mode 100644 tools/bootconfig/samples/good-simple.bconf create mode 100644 tools/bootconfig/samples/good-single.bconf create mode 100644 tools/bootconfig/samples/good-space-after-value.bconf create mode 100644 tools/bootconfig/samples/good-tree.bconf create mode 100755 tools/bootconfig/test-bootconfig.sh create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-synt [...]